1,3-Dimethyluric Acid

1,3-Dimethyluric Acid

CAT N°: 36167
Price:

100.00 85.00

1,3-Dimethyluric acid is an active metabolite of the methylxanthine alkaloids caffeine (Item No. 14118) and theophylline (Item No. 23760).{57870} It is formed from caffeine and theophylline by the cytochrome P450 (CYP) isoforms CYP1A2 and CYP2E1.{68171,68169} 1,3-Dimethyluric acid (500 µM) scavenges hydroxyl radicals in a cell-free assay and inhibits t-butyl hydroperoxide-induced lipid peroxidation by 77% in isolated human erythrocyte membranes.{58129} It induces contractions in isolated rabbit duodenal, jejunal, and ileal preparations, but induces relaxation in isolated rabbit ascending colon preparations, in a concentration-dependent manner.{68170} Intracerebral administration of 1,3-dimethyluric acid induces clonic convulsions in mice (ED50 = 360 nmol/animal).{60652} It has been found in urinary caliculi.{33336}

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